MAX5915(2002) Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX5915 Datasheet PDF : 25 Pages
| |||
Dual PCI 2.2 Hot-Swap Controllers
Typical Operating Characteristics (continued)
(V+12VIN = +12V, V3.3VAUXIN = +3.3V, V-12VIN = -12V, V5V = +5V, V3.3V = +3.3V, R5VSEN_ = 0.005Ω, R3.3VSEN_ = 0.005Ω, C3.3VO_ =
C5VO_ = 470µF, C+12VO_ = C-12VO_ = C3.3VAUXO_ = 47µF, TA = +25°C, unless otherwise noted. See Typical Application Circuit.)
+12V OUTPUT CURRENT
FOLDBACK vs. TEMPERATURE
1.2
1.1
1.0
0.9
0.8
0.7
0.6
-40 -15
10
35
60
85
TEMPERATURE (°C)
-12V OUTPUT CURRENT
FOLDBACK vs. TEMPERATURE
250
230
210
190
170
150
130
-40 -15
10
35
60
85
TEMPERATURE (°C)
3.3VO_ SENSE RESISTOR VOLTAGE
vs. TEMPERATURE
49
47
45
43
41
39
37 DURING CURRENT LIMIT
35
-40 -15 10
35
60
85
TEMPERATURE (°C)
3.3V AUXILIARY CURRENT
FOLDBACK vs. TEMPERATURE
925
850
775
700
625
550
475
-40
-15
10
35
60
85
TEMPERATURE (°C)
AUXILIARY SUPPLY
TURN-ON WAVEFORMS
MAX5915 toc34
5VO_ SENSE RESISTOR VOLTAGE
vs. TEMPERATURE
40
38
36
34
32
30
28
26
24
22
DURING CURRENT
LIMIT
20
-40 -15
10
35
60
85
TEMPERATURE (°C)
ON_
5V/div
5VO_
5V/div
12VO_
10V/div
PGOOD_
5V/div
TURN-ON DELAY
MAX5915 toc35
MAIN SUPPLY
TURN-ON WAVEFORMS
MAX5915 toc33
10ms/div
AUXON_ = 5V
MAIN SUPPLY
TURN-OFF WAVEFORMS
MAX5915 toc36
AUXON_
5V/div
3.3VAUXO_
2V/div
PGOOD_
5V/div
+12VIN
10V/div
+12VO_
10V/div
10ms/div
ON_ = 5.0V
3.3VAUXIN_
2V/div
3.3VAUXO_
2V/div
200µs/div
ON_ = 5V
AUXON_ = 5V
ON_
5V/div
5VO_
5V/div
+12VO_
10V/div
PGOOD_
5V/div
40ms/div
8 _______________________________________________________________________________________
Share Link: 